Is there any way for me to change the location/currency of gaijin store without paying with a card?

I would like to change my location in gaijin store from china to USA (i was on vacation for 1 month in china) but i can’t find any way of changing it without paying with a visa/mastercard

Me2 but its Taiwan not china

That is how it works. It is there as a safety measure so that users can’t switch between countries to get lower prices and/or to commit fraud.

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( https://support.gaijin.net/hc/en-us/articles/21687502390674-Change-store-currency-Change-location-for-the-user-profile )